$576 Cheap flight deals from St. Louis (STL) to Ulaanbaatar (ULN)

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Airfares from $576 One Way, $1,404 Round Trip from St. Louis to Ulaanbaatar

Prices starting at $1,404 for return flights and $576 for one-way flights to Ulaanbaatar were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Sep 16 - Wed, Sep 30
STL
St. Louis
UBN
Ulaanbaatar
$1,404 Roundtrip, found 4 days ago
$1,404
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Sep 16 from St. Louis to Ulaanbaatar, returning Wed, Sep 30, priced at $1,404 found 4 days ago
Wed, Sep 16 - Wed, Sep 30
STL
St. Louis
UBN
Ulaanbaatar
$1,432 Roundtrip, found 4 days ago
$1,432
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Sep 16 from St. Louis to Ulaanbaatar, returning Wed, Sep 30, priced at $1,432 found 4 days ago
Wed, Sep 16 - Wed, Sep 30
STL
St. Louis
UBN
Ulaanbaatar
$1,477 Roundtrip, found 4 days ago
$1,477
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Wed, Sep 16 from St. Louis to Ulaanbaatar, returning Wed, Sep 30, priced at $1,477 found 4 days ago
Wed, Sep 16 - Wed, Sep 30
STL
St. Louis
UBN
Ulaanbaatar
$1,494 Roundtrip, found 4 days ago
$1,494
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Wed, Sep 16 from St. Louis to Ulaanbaatar, returning Wed, Sep 30, priced at $1,494 found 4 days ago
Wed, Sep 16 - Wed, Sep 30
STL
St. Louis
UBN
Ulaanbaatar
$1,495 Roundtrip, found 4 days ago
$1,495
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Sep 16 from St. Louis to Ulaanbaatar, returning Wed, Sep 30, priced at $1,495 found 4 days ago

More About Flying To Ulaanbaatar from St. Louis

Route Information for Flights from St. Louis to Ulaanbaatar

Origin Airport IATA Code
STL
Destination Airport IATA Code
ULN
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

St. Louis to Ulaanbaatar

Orbitz guarantees you low prices on flights from St. Louis to Ulaanbaatar. In addition to low fares on St. Louis to Ulaanbaatar flights, Orbitz offers fantastic savings on hotels, cruises, vacation packages, and more.

Earn Miles While Saving

Besides helping you fly for the lowest fares, Orbitz lets you earn miles for your frequent flyer program for certain flights from St. Louis to Ulaanbaatar. If you are a member of the frequent flyer or loyalty program offered by the airline you booked through Orbitz or a partner airline’s, simply add your frequent flyer number to your Orbitz reservation to get credit for your St. Louis to Ulaanbaatar flights.

Travel Planning Made Easy

We help take some of the anxiety out of your St. Louis to Ulaanbaatar flights with free flight alerts. We will let you know of flight changes and delays to your flights from St. Louis to Ulaanbaatar by email, voicemail, or text messages to your mobile phone. Alerts can also be sent to up to six other contacts to keep family and business teams informed.

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Frequently asked questions

What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.